I know you're not ready and I don't want you to
say it just because social CONVENTION dictates...
The Big Bang Theory Season 8, Episode 8
Social CONVENTION is stupid.
The Big Bang Theory Season 5, Episode 16
Did you tell them that
you're holding your CONVENTION
The Big Bang Theory Season 7, Episode 14
and possibly the
Geneva Convention.
The Big Bang Theory Season 11, Episode 12
So, I drove for hours
by bus to a Star Trek CONVENTION
The Big Bang Theory Season 5, Episode 5